Taylor Swift, Mumford & Sons, The Black Keys To Perform At Grammys 2013

Taylor Swift, Mumford & Sons, The Black Keys, Rihanna, and fun. have been announced to perform at this year's 55th Annual Grammy Awards ceremony.

The 55th Annual Grammy Awards will be hosted (again) by LL Cool J and will broadcast live from the Staples Center in Los Angeles on February 10th at 8pm EST.